Vitamins & Supplements Archive

Men need adequate amounts of daily protein to help manage age-related muscle mass. While most of their protein should come from food to ensure they get the required nutrients like vitamins, minerals, and phytochemicals, adding protein powder to their diet can help meet their daily quota. Depending on the brand, a single scoop of powder can offer 15 to 30 grams of protein per serving and can be mixed with water or milk or added to a smoothie.

In the US, supplements are not tested in the way prescription medicines are, and their manufacturers can make claims about their abilities that may or may not be true. But there are some rules supplement makers must follow, and the FDA's plan to revamp its regulation of dietary supplements is a step toward improving consumer protection.

There are no health benefits to taking a daily calcium supplement in addition to the amount of calcium a person gets from a regular well-balanced diet. Too much calcium from supplements can lead to problems, like a higher risk of kidney stones and poor absorption of micronutrients.

Updated guidelines say adults don't need routine testing of vitamin D levels. However, they should aim for daily vitamin D intake of 600 international units (IU) until age 70, and 800 IU after that either through vitamin D–fortified foods or a supplement of up to 1,000 IU.

People sometimes wonder if the calcium they consume affects their calcium score, a test that measures calcium in the heart's arteries to predict heart disease risk. But a 2024 study linked higher calcium intake to a lower risk of heart calcifications. Calcium helps lower blood pressure, possibly by improving the function of the lining of blood vessels. Older adults should make sure they're getting the recommended amount of calcium in their diets. Good sources include dairy products, tofu made with calcium sulfate, almond or oat milk, canned sardines or salmon, collard greens, and kale.